Home / 1,383,011.13-1,908,508.19-762,840.87

Finding the Fourth Proportional to 1,383,011.13, 1,908,508.19 and 762,840.87

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Solution

The fourth proportional to 1,383,011.13, 1,908,508.19 and 762,840.87 is: 1,052,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,011.13 : 1,908,508.19 = 762,840.87 : x
  2. Step 2: Convert to fraction form
    1,383,011.13/1,908,508.19 = 762,840.87/x
  3. Step 3: Cross multiply
    1,383,011.13x = 1,908,508.19 × 762,840.87
  4. Step 4: Simplify right side
    1,383,011.13x = 1,455,888,051,404.43
  5. Step 5: Solve for x
    x = 1,455,888,051,404.43/1,383,011.13
  6. Step 6: Final answer
    x = 1,052,694.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.